CI/CD improvements

.github/dependabot.yml

@@ -0,0 +1,39 @@
+version: 2
+updates:
+  - package-ecosystem: nuget
+    directories:
+      - /DiscoveryMessageTests
+      - /LegoInfrared
+      - /LegoTrain
+      - /SignalSwitch
+      - /TrainDetect
+    schedule:
+      interval: weekly
+    labels:
+      - dependency update
+    groups:
+      nuget-dependencies:
+        patterns:
+          - "*"
+
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: weekly
+    labels:
+      - dependency update
+    groups:
+      github-actions:
+        patterns:
+          - "*"
+
+  - package-ecosystem: docker
+    directory: /LegoTrain
+    schedule:
+      interval: weekly
+    labels:
+      - dependency update
+    groups:
+      docker-images:
+        patterns:
+          - "*"

.github/workflows/ci.yml

@@ -0,0 +1,74 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  dotnet:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: |
+            8.0.x
+            10.0.x
+      - name: Test discovery messages
+        run: dotnet test DiscoveryMessageTests/DiscoveryMessageTests.csproj --configuration Release
+      - name: Build LegoTrain
+        run: dotnet build LegoTrain/LegoTrain.csproj --configuration Release
+
+  firmware:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: NuGet/setup-nuget@v2
+      - uses: nanoframework/nanobuild@v1
+        with:
+          gitHubAuth: ${{ github.token }}
+      - name: Restore nanoFramework packages
+        run: nuget restore LegoTrain.sln -NonInteractive
+      - name: Build nanoFramework projects
+        shell: pwsh
+        run: |
+          $vswhere = "${env:ProgramFiles(x86)}\Microsoft Visual Studio\Installer\vswhere.exe"
+          $msbuild = & $vswhere -latest -requires Microsoft.Component.MSBuild -find 'MSBuild\**\Bin\MSBuild.exe' | Select-Object -First 1
+          if (-not $msbuild) { throw 'MSBuild was not found.' }
+          $projects = 'LegoInfrared', 'SignalSwitch', 'TrainDetect'
+          foreach ($project in $projects) {
+            & $msbuild "$project/$project.nfproj" /t:Rebuild /p:Configuration=Release /p:Platform=AnyCPU /m
+            if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
+          }
+
+  docker:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - architecture: amd64
+            platform: linux/amd64
+            dockerfile: LegoTrain/Dockerfile
+          - architecture: arm32
+            platform: linux/arm/v7
+            dockerfile: LegoTrain/Dockerfile.arm32
+          - architecture: arm64
+            platform: linux/arm64
+            dockerfile: LegoTrain/Dockerfile.arm64
+    steps:
+      - uses: actions/checkout@v4
+      - uses: docker/setup-qemu-action@v3
+      - uses: docker/setup-buildx-action@v3
+      - name: Build ${{ matrix.architecture }} Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ${{ matrix.dockerfile }}
+          platforms: ${{ matrix.platform }}
+          push: false

.github/workflows/labels.yml

@@ -0,0 +1,82 @@
+name: Labels
+
+on:
+  push:
+    branches:
+      - main
+  pull_request_target:
+    types:
+      - opened
+      - reopened
+      - synchronize
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  issues: write
+  pull-requests: read
+
+jobs:
+  labels:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Create labels and label pull request
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const definitions = {
+              LegoTrain: ['LegoTrain/', 'nanoDiscovery/', 'LegoDiscoveryCommon/'],
+              LegoInfrared: ['LegoInfrared/', 'SharedServices/', 'nanoDiscovery/', 'LegoDiscoveryCommon/'],
+              SignalSwitch: ['SignalSwitch/', 'SharedServices/', 'nanoDiscovery/', 'LegoDiscoveryCommon/'],
+              TrainDetect: ['TrainDetect/', 'SharedServices/', 'nanoDiscovery/', 'LegoDiscoveryCommon/'],
+              DiscoveryMessageTests: ['DiscoveryMessageTests/', 'nanoDiscovery/'],
+              documentation: ['README.md', 'Lego_api_doc.md', 'LICENSE'],
+              cicd: ['.github/', 'build-docker.ps1', 'build-docker.sh'],
+            };
+            const colors = {
+              LegoTrain: '1f6feb',
+              LegoInfrared: 'd73a4a',
+              SignalSwitch: 'fbca04',
+              TrainDetect: '0e8a16',
+              DiscoveryMessageTests: '5319e7',
+              documentation: '0075ca',
+              cicd: '6f42c1',
+              'dependency update': '0366d6',
+            };
+
+            for (const [name, color] of Object.entries(colors)) {
+              try {
+                await github.rest.issues.getLabel({ ...context.repo, name });
+              } catch (error) {
+                if (error.status !== 404) throw error;
+                await github.rest.issues.createLabel({ ...context.repo, name, color });
+              }
+            }
+
+            if (!context.payload.pull_request) return;
+
+            const files = await github.paginate(github.rest.pulls.listFiles, {
+              ...context.repo,
+              pull_number: context.issue.number,
+              per_page: 100,
+            });
+            const paths = files.map(file => file.filename);
+            const labels = Object.entries(definitions)
+              .filter(([, prefixes]) => prefixes.some(prefix =>
+                paths.some(path => prefix.endsWith('/') ? path.startsWith(prefix) : path === prefix)))
+              .map(([name]) => name);
+
+            const dependencyFiles = paths.some(path =>
+              /(^|\/)(packages\.config|dependabot\.yml)$/.test(path) ||
+              /\.(csproj|nfproj)$/.test(path));
+            if (context.payload.pull_request.user.login === 'dependabot[bot]' || dependencyFiles) {
+              labels.push('dependency update');
+            }
+
+            if (labels.length > 0) {
+              await github.rest.issues.addLabels({
+                ...context.repo,
+                issue_number: context.issue.number,
+                labels,
+              });
+            }

.github/workflows/release.yml

@@ -0,0 +1,126 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - publish
+      - publish-*
+  release:
+    types:
+      - published
+
+permissions: {}
+
+jobs:
+  firmware:
+    runs-on: windows-latest
+    permissions:
+      contents: read
+    steps:
+      - uses: actions/checkout@v4
+      - uses: NuGet/setup-nuget@v2
+      - uses: nanoframework/nanobuild@v1
+        with:
+          gitHubAuth: ${{ github.token }}
+      - name: Restore nanoFramework packages
+        run: nuget restore LegoTrain.sln -NonInteractive
+      - name: Build firmware
+        shell: pwsh
+        run: |
+          New-Item -ItemType Directory -Path firmware
+          $vswhere = "${env:ProgramFiles(x86)}\Microsoft Visual Studio\Installer\vswhere.exe"
+          $msbuild = & $vswhere -latest -requires Microsoft.Component.MSBuild -find 'MSBuild\**\Bin\MSBuild.exe' | Select-Object -First 1
+          if (-not $msbuild) { throw 'MSBuild was not found.' }
+          $projects = 'LegoInfrared', 'SignalSwitch', 'TrainDetect'
+          foreach ($project in $projects) {
+            & $msbuild "$project/$project.nfproj" /t:Rebuild /p:Configuration=Release /p:Platform=AnyCPU /m
+            if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
+            Copy-Item "$project/bin/Release/$project.bin" "firmware/$project.bin"
+          }
+      - uses: actions/upload-artifact@v4
+        with:
+          name: firmware
+          path: firmware/*.bin
+          if-no-files-found: error
+
+  docker:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - architecture: amd64
+            platform: linux/amd64
+            dockerfile: LegoTrain/Dockerfile
+          - architecture: arm32
+            platform: linux/arm/v7
+            dockerfile: LegoTrain/Dockerfile.arm32
+          - architecture: arm64
+            platform: linux/arm64
+            dockerfile: LegoTrain/Dockerfile.arm64
+    steps:
+      - uses: actions/checkout@v4
+      - uses: docker/setup-qemu-action@v3
+      - uses: docker/setup-buildx-action@v3
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Resolve image metadata
+        id: metadata
+        shell: bash
+        env:
+          EVENT_NAME: ${{ github.event_name }}
+          RELEASE_TAG: ${{ github.event.release.tag_name }}
+        run: |
+          if [[ "$EVENT_NAME" == "release" ]]; then
+            version="$RELEASE_TAG"
+          else
+            version="${GITHUB_REF_NAME}"
+          fi
+          echo "image=ghcr.io/${GITHUB_REPOSITORY,,}" >> "$GITHUB_OUTPUT"
+          echo "version=$version" >> "$GITHUB_OUTPUT"
+      - name: Build and push ${{ matrix.architecture }} image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ${{ matrix.dockerfile }}
+          platforms: ${{ matrix.platform }}
+          push: true
+          tags: ${{ steps.metadata.outputs.image }}:${{ matrix.architecture }}-${{ steps.metadata.outputs.version }}
+
+  github-release:
+    needs:
+      - firmware
+      - docker
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          name: firmware
+          path: firmware
+      - name: Resolve release tag
+        id: release
+        shell: bash
+        env:
+          EVENT_NAME: ${{ github.event_name }}
+          RELEASE_TAG: ${{ github.event.release.tag_name }}
+        run: |
+          if [[ "$EVENT_NAME" == "release" ]]; then
+            echo "tag=$RELEASE_TAG" >> "$GITHUB_OUTPUT"
+          else
+            echo "tag=${GITHUB_REF_NAME}" >> "$GITHUB_OUTPUT"
+          fi
+      - name: Create or update GitHub Release
+        uses: softprops/action-gh-release@v2
+        with:
+          tag_name: ${{ steps.release.outputs.tag }}
+          generate_release_notes: true
+          files: firmware/*.bin

LegoTrain/Dockerfile

@@ -6,7 +6,7 @@ EXPOSE 80
 EXPOSE 443
 EXPOSE 2024/udp
 
-FROM mcr.microsoft.com/dotnet/sdk:10.0 AS build
+FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:10.0 AS build
 WORKDIR /src
 COPY ["LegoTrain/LegoTrain.csproj", "LegoTrain/"]
 RUN dotnet restore "LegoTrain/LegoTrain.csproj"

LegoTrain/Dockerfile.arm32

@@ -8,7 +8,7 @@ EXPOSE 443
 EXPOSE 2024/udp
 
 
-FROM mcr.microsoft.com/dotnet/sdk:10.0 AS build
+FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:10.0 AS build
 WORKDIR /src
 COPY ["LegoTrain/LegoTrain.csproj", "LegoTrain/"]
 RUN dotnet restore "LegoTrain/LegoTrain.csproj"

LegoTrain/Dockerfile.arm64

@@ -5,7 +5,7 @@ EXPOSE 80
 EXPOSE 443
 EXPOSE 2024/udp
 
-FROM mcr.microsoft.com/dotnet/sdk:10.0 AS build
+FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:10.0 AS build
 WORKDIR /src
 COPY ["LegoTrain/LegoTrain.csproj", "LegoTrain/"]
 RUN dotnet restore "LegoTrain/LegoTrain.csproj"